000 00434nam a2200169 4500
008 160616s1989 000 0
245 _aDifferential Equations: Their Solutions Using Symmetries
100 _aStephani, Hans.
260 _aCambridge
260 _bCUP
260 _c1989
300 _a260
020 _a0-521-36689-5
650 _aDifferential equations
_aSymmetry
942 _cBK
_2BK17257
080 _a517.9 STE
999 _c17257
_d17257